docs: def getApplicationKeyByProcessId(self, unProcessId, pchAppKeyBuffer, unAppKeyBufferLen):
          """
          Returns the key of the application for the specified Process Id. The buffer should be at least 
          k_unMaxApplicationKeyLength in order to fit the key.
          """
  
          fn = self.function_table.getApplicationKeyByProcessId
          result = fn(unProcessId, pchAppKeyBuffer, unAppKeyBufferLen)
          return result